diff options
Diffstat (limited to 'dts/src/arm/ti/omap/twl4030_omap3.dtsi')
| -rw-r--r-- | dts/src/arm/ti/omap/twl4030_omap3.dtsi | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/dts/src/arm/ti/omap/twl4030_omap3.dtsi b/dts/src/arm/ti/omap/twl4030_omap3.dtsi new file mode 100644 index 0000000000..89433f251d --- /dev/null +++ b/dts/src/arm/ti/omap/twl4030_omap3.dtsi @@ -0,0 +1,39 @@ +// SPDX-License-Identifier: GPL-2.0-only +/* + * Copyright (C) 2013 Linaro, Ltd. + */ + +&twl { + pinctrl-names = "default"; + pinctrl-0 = <&twl4030_pins &twl4030_vpins>; +}; + +&omap3_pmx_core { + /* + * On most OMAP3 platforms, the twl4030 IRQ line is connected + * to the SYS_NIRQ line on OMAP. Therefore, configure the + * defaults for the SYS_NIRQ pin here. + */ + twl4030_pins: twl4030-pins { + pinctrl-single,pins = < + OMAP3_CORE1_IOPAD(0x21e0, PIN_INPUT_PULLUP | PIN_OFF_WAKEUPENABLE | MUX_MODE0) /* sys_nirq.sys_nirq */ + >; + }; +}; + +/* + * If your board is not using the I2C4 pins with twl4030, then don't include + * this file. For proper idle mode signaling with sys_clkreq and sys_off_mode + * pins we need to configure I2C4, or else use the legacy sys_nvmode1 and + * sys_nvmode2 signaling. + */ +&omap3_pmx_wkup { + twl4030_vpins: twl4030-vpins-pins { + pinctrl-single,pins = < + OMAP3_WKUP_IOPAD(0x2a00, PIN_INPUT | MUX_MODE0) /* i2c4_scl.i2c4_scl */ + OMAP3_WKUP_IOPAD(0x2a02, PIN_INPUT | MUX_MODE0) /* i2c4_sda.i2c4_sda */ + OMAP3_WKUP_IOPAD(0x2a06, PIN_OUTPUT | MUX_MODE0) /* sys_clkreq.sys_clkreq */ + OMAP3_WKUP_IOPAD(0x2a18, PIN_OUTPUT | MUX_MODE0) /* sys_off_mode.sys_off_mode */ + >; + }; +}; |